Sunday, March 31, 2013

BenQ G922HD - LCD MONITOR - TROUBLESHOOTING



TROUBLESHOOTING [GENERAL]

How do you use a VGA extension cable?
Remove the extension cable for the test. Is the image now in focus? If not, optimize the image by working through the instructions in the "Adjusting the refresh rate" section on the link "Adjusting the Screen Resolution". It is normal for blurring to occur due to conduction losses in extension cables. You can minimize these losses by using an extension cable with better conduction quality or with a built-in booster.

Pixel errors can be seen:
One of several pixels is permanently black, one or morepixels are permanently white, one or more pixels are permanently red, green, blue or another color.
Clean the LCD screen.
Cycle power on-off.
These pixels are permanently on or off and that isa natural defect occurs in LCD technology.

The image has a faulty coloration:
It has a yellow, blue or pink appearance.
Select MENU > PICTURE > Color > Reset Color, and then choose “YES” in the “Caution” message box to reset the color settings to the factory defaults.
If the image is still not correct and the OSD also has faulty coloration, this means one of the three primary colors is missing in the signal input. Now check the signal cable connectors. If any pin is bent or broken off, please contact your dealer to get necessary support.

No image can be seen:
Is the prompt on the display illuminated in green?
If the LED is illuminated in green and there is a message “Out of Range” on the screen, this means you are using a display mode that this monitor does not support, please change the setting to one of the supported mode. Please read the “Preset display modes” section from the link "Adjusting the Screen Resolution".

Faint shadow from the static image displayed is visible on the screen:
Activate the power management function to let your computer and monitor go into a low power "sleep" mode when not actively in use.
Use a screensaver to prevent the occurrence of image retention.

Is the prompt on the display illuminated in orange?
If the LED is illuminated in orange, the power management mode is active. Press any button on the computer keyboard or move the mouse. If that does not help, check the signal cable connectors. If any pin is bent or broken off, please contact your dealer to get necessary support.

Is the prompt on the display not illuminated at all?
Check the power supply mains socket, the external power supply and the mains switch.

The image is distorted, flashes or flickers:
Read the instructions on the link "Adjusting the Screen Resolution" on the CD, and then select the correct resolution, refresh rate and make adjustments based on these instructions.
You are running the monitor at its native resolution, but the image is still distorted.
Images from different input sources may appear distorted or stretched on the monitor running at its native resolution. To have the optimal display performance of each type of input sources, you can use the "Display
Mode" function to set a proper aspect ratio for the input sources.

The image is displaced in one direction:
Read the instructions on the link "Adjusting the Screen Resolution" on the CD, and then select the correct resolution, refresh rate and make adjustments based on these instructions.

The OSD controls are inaccessible:
To unlock the OSD controls when the OSD is presetto be locked, press and hold the “MENU” key for 15
seconds to enter the “OSD Lock” option and make changes.
Alternatively, you may use the Right or Left  keys to select “NO” in the “OSD Lock” submenu from the “OSD Settings” menu (under SYSTEM), and all OSD controls will be accessible.